What is the prime factorization of the number 19440?

Prime factors of 19440

The prime factors are: 2, 2, 2, 2, 3, 3, 3, 3, 3, 5
Prime Factor Decomposition or Prime Factorization is the process of finding which prime numbers can be multiplied together to make the original number. 19440 divided by 2, 2, 2, 2, 3, 3, 3, 3, 3, 5 gives no remainder. This means Prime number are numbers that can divide without remainder.

How to Calculate Prime Factorization of 19440?

The main method of prime factorization is start dividing the number by the any divisible prime numbers until the only numbers left are prime numbers \( (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, ...) \).

\(19440\div \color{red}{2} = 9720\)
\(9720\div \color{red}{2} = 4860\)
\(4860\div \color{red}{2} = 2430\)
\(2430\div \color{red}{2} = 1215\)
\(1215\div \color{red}{3} = 405\)
\(405\div \color{red}{3} = 135\)
\(135\div \color{red}{3} = 45\)
\(45\div \color{red}{3} = 15\)
\(15\div \color{red}{3} = 5\)
\(5\div \color{red}{5} = 1\)

Factorize\( (19440) = \) \(2\times 2\times 2\times 2\times 3\times 3\times 3\times 3\times 3\times 5\)

Factor Tree of 19440

	19440
2		9720
	2		4860
		2		2430
			2		1215
				3		405
					3		135
						3		45
							3		15
								3		5

If you want to learn more about prime factorization, take a look at the Wikipedia page.

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